Lot 61063 – 1950 On His Majesty’s Service sent from Singapore rare frameless circle violet “Orion Barrel” only two recorded

1950 On His Majesty’s Service official cover sent to Cocos Islands, Indian Ocean, with “Director of Posts Singapore” violet circular cachet and Singapore dispatch cancel in black to the front dated 16 Dec 50, on the reverse a violet rectangular “Cocos – 5 Jan 51” and the very rare frameless circle violet “Orion Barrel” only two recorded and possibly unique with the Singapore combination.